Zopeskel

---------------------

* Hosting template:

- Changed the http_port to start at base_port + 10, to make room for
additional services.
[hannosch]

- Corrected hide_summary option, to not show the summary twice.
[hannosch]

-------------------

* Hosting template:

- Corrected one last reference of instance to instance1 in the zopepy eggs
option of the plone_hosting template.
[hannosch]

-------------------

* Hosting template:

- fix test for Varnish-support in the supervisord configuration.
[wichert]

- Rename the instance part to instance1 and add an instances group. This
makes it possible to upgrade to multiple instances later on without
having to break invocations.
[wichert]

------------------

* Restore the cwd after running buildout in the hosting recipe so further
processing works correctly.
[wichert]

* Add a hook in the hosting template to not show the summary. This
can be used by derived templates that want to show their own summary
or show it at a later point.
[wichert]

* Set default Plone version to 3.1.3.
[wichert]

* Added kss plugin template
[gotcha, jfroche, adrien01]

* Silva layout have been merged with Silva all in the development
buildout.
[thefunny]

-------------------

* Fix problem in the hosting template: varnish was always enabled
even if not desired.
[wichert]

* Added ZopeSkel test layer with the apropriate testSetup and testTearDown.
The steps in the top of each test file is not anymore needed: delete
tempdir/plone.example and then cd to tempdir.
[mustapha]

* Make the zope2product option in the archetype template default to true.
[mustapha]

* Modified buildout.cf to only test zopeskel.
[mustapha]

* Fixed the paster test function: overwrite option should default to True for
the create command.
[mustapha]

* Added ``use_local_commands`` attribute (a la use_cheetah). A zopeskel
template that wants to use local commands has to set it to True .
[mustapha]

* Get rid of zopeskel.txt and use setup.cfg to store the parent template name.
[mustapha]

* Sub-templates may define a parent_template attribute with the list of
templates that can use it.
[mustapha]

* Fixed tests and updated docs.
[mustapha]

-----------

* Install Plone 3.1.2 by default.
[wichert]

* Remove useless spans from the portlet template.
[wichert]

* Add supervisorctl configuration.
[wichert]